Delete sensitive info when app is reinstalled

I currently use Sensitive Info to save the login tokens etc. I now have a problem where if a user uninstalls the app without logging out, then reinstalls the app on the same phone, the app crashes because it still thinks its logged in.

How can I make sure to delete any relevant information in keychain upon 1st Install? Can this be included in the base library?

I found a workaround on StackOverflow which suggested putting this native code in - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions

Basically

    //Clear keychain on first run in case of reinstallation
  if (![[NSUserDefaults standardUserDefaults] objectForKey:@"FirstRun"]) {
      // Delete values from keychain here
      [[NSUserDefaults standardUserDefaults] setValue:@"1strun" forKey:@"FirstRun"];
      [[NSUserDefaults standardUserDefaults] synchronize];
  }

I need to insert code in the //Delete values from keychain section, but am not sure how to go about doing this.

[virdesai]

You can do this without needing to modify native code by implementing AsyncStorage as that stored value will be gone between uninstalls

import AsyncStorage from '@react-native-community/async-storage';
...
            try {
                const firstRun = await AsyncStorage.getItem('firstRun');
                if (!firstRun) {
                    await SInfo.deleteItem(key, secureStorageConfig);
                    await AsyncStorage.setItem('firstRun', 'true');
                } else {
                    const persistedState = await SInfo.getItem(
                        key,
                        secureStorageConfig,
                    );
                    if (persistedState) {
                        // do something with existing values
                    }
                }
            } catch (error) {
                console.log({ error });
            }
... 

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